The Top 7 Caves in Brecon Beacons
Looking to visit a cave in Brecon Beacons on your next adventure? To help you better plan your next outdoor experience, we’ve collected Brecon Beacons’s 7
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
best caves for you. Based on the experiences of other users, each is a recommendation you know you can trust — so you can better plan your next adventure.
Last updated: November 30, 2025
Porth Yr Ogof Cave
Highlight • Cave
Porth Yr Ogof (gateway to the cave, in Welsh) boasts the largest entrance of any cave in Wales at over 55 feet (17 m) wide and almost 16 feet (5 …
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Chartist Cave
Highlight • Historical Site
Chartist cave - discover where they stored their weaponry and where the walk to Newport effectively began!
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Llygad Llwchwr (Source of the River Loughor)
Highlight • Cave
This magical spot, Llygad Llwchwr which translates as "eye of the Loughor" is where the River Loughor emerges from its source - an underground lake at the Black Mountain. Below …
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Craig y Cilau: Crags and Caves
Highlight • Natural Monument
The walk along Craig y Cilau is a pretty special experience. The imposing rock faces of the limestone escarpment are home to a really diverse variety of rare wild plants. …
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Dan-Yr-Ogof Showcaves
Highlight • Cave
The national show caves is a tourist attraction with several ventures including the Shire Horse centre, a life size dinosaur model exhibit, kids play grounds and the three show caves. …
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